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HARGASSNER Heating technology for Biomass A 4952 Weng OÖ Tel.: +43/7723/5274-0 Fax: +43/7723/5274-5 office@hargassner.at 5
Technical Data
3.2 Inadmissible fuels
• Fuels with water content >35%
Formation of condensate
Increased corrosion in the boiler
• Paper / Cardboard
• Chip boards, impregnated timber
• Black coal, brown coal or lignite
• Waste
• Plastics
4 Execution of the boiler room
Boiler room must executed according to legislation in your country.
See "Design of the boiler room" in the installation manual
• Keep the boiler's air openings free.
• Do not store any flammable materials in the boiler room.
• Execute the boiler room in frost-proof condition.
• fireproof, plane and solid floor- and ceiling construction
• In accordance with regulations, have the main heating switch installed by an
electrician (depending on building regulations).
• Fire extinguisher
5 Design of the fuel storage room
Design your pellet fuel storage room in accordance with local regulations
(e.g. ÖNORM M 7137 or VDI 3464).
See "Design of the fuel storage room" in the installation manual
• Only install metal fill pipes, electrically grounded and connection to atmosphere.
• Pay attention to noise protection
• Protection against moisture, water and dust.
• Correctly position impact protection mat(s) and install slant floor.
6 Execution of heating circuits
The heating circuits must be designed correctly for optimum operation of the boiler.
Authorised heating diagrams: See heating diagrams enclosed.
The layout of the heating circuits' accumulators, pumps and mixers has to be
designed according to legislation by the installer.
D A N G E R
Danger of suffocation due to odorless carbon monoxide in the storage room
• Ventilate sufficiently before entering the fuel storage room
• Keep window/door open during stay
• Position second person outside to supervise
Dust explosions in the storage room due to the explosive combustion of
dust (pellet dust)
• Pay attention to proper grounding of the pellets transportation tubes
• No motors in the fuel storage room
Except agricultural buildings
• No other source of ignition (e.g. light) in the storage room
• No electrical equipment (e.g. light switch) in the storage room
• No welding works in dusty environment
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